Chapter 5 Altering Consciousness with DrugsPsychoactive substances= drugs that have psychological effects such as stimulation or distortion of perceptions. Stimulant=a drug that _________ the activity of the nervous system. Stimulants improve mood, increase feelings of well-being, and increase energy and alertness.cocaine=crack cocaine=amphetamines=Methamphetamine=nicotine=Tobacco is responsible for more deaths in the United States than the combined total alcohol, illegal drugs, guns and car accidents. , suicides, homicides and AIDS combined according to a 1999 study mentioned in your textbook. MDMA = Depressant = a drug that _______ the rate of activity of the nervous system Alcohol = Opiates = Prescription narcotics: Category I = drugs for _______ pain (Dilaudid, Demerol, Fentanyl, Methadone) Category II = drugs for _______ pain (codeine) , Percodan, Percocet, hydrocodone: Vicodin, Lortab)Category III = medications for ______ to moderate pain (Darvon, Darvocet)Cannabis = Sedatives = Barbiturates = Solvents and inhalants = Most abused drug in the United States among high school students (see graph 5.4) p. 2081. alcohol 1. alcohol2.